ABSTRACT
F, while in some industrial fuel fires, the temperatures may be greater (1900 to 2100
°
F).
B. The
duration
of exposure. For example, human skin heated to 45
°
C (113
°
F) for 2 hours will become hyperemic without loss of the epidermis, but if the duration of exposure is increased to 3 hours, complete epidermal necrosis occurs.